Melting point :-105 °C
Boiling point :79 °C(lit.)
Density :1.64 g/mL at 20 °C
vapor density :4.1 (vs air)
vapor pressure :97 mm Hg ( 20 °C)
refractive index :n20/D 1.518(lit.)
Flash point :105°C
storage temp. :Store at RT.
solubility :Miscible with toluene, chloroform, benzene, carbon tetrachloride and diethyl ether.
form :Liquid
color :≤50(APHA)
Odor :Characteristic, pungent odor
Water Solubility :REACTS
Specific Heat Capacity :Cp(liquid): 1.02 J/(g·K); Cp(gas): 0.56 J/(g·K), at 25℃
Sensitive :Moisture Sensitive
Merck :14,9348
Dielectric constant :9.1（22℃）
Stability :Reacts violently with water. Incompatible with most common metals, strong reducing agents, strong bases, alcohols, amines.
InChI :1S/Cl2OS/c1-4(2)3
InChIKey :FYSNRJHAOHDILO-UHFFFAOYSA-N
SMILES :[S](=O)(Cl)Cl
CAS DataBase Reference :7719-09-7(CAS DataBase Reference)
NIST Chemistry Reference :Thionyl chloride(7719-09-7)
EPA Substance Registry System :Thionyl chloride (7719-09-7)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501 H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312
Precautionary statements:	P260 Do not breathe dust/fume/gas/mist/vapours/spray. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P310 Immediately call a POISON CENTER or doctor/physician. P312 Call a POISON CENTER or doctor/physician if you feel unwell. P330 Rinse mouth. P363 Wash contaminated clothing before reuse. P405 Store locked up. P501 Dispose of contents/container to..…